There are dozens of books—both in-print and out-of-print—about cider and apples. Here are the ones on my bookshelf that I most highly recommend.
Cider Appreciation
Cider, Hard and Sweet: History, Traditions, and Making Your Own (Kindle)
Ben Watson
September 2013 (3rd Edition)
Ciderology: From History and Heritage to the Craft Cider Revolution (Kindle)
Gabe Cook
October 2018
Tasting Cider: The CIDERCRAFT® Guide to the Distinctive Flavors of North American Hard Cider (Kindle)
Erin James
July 2017
The Cider Revival: Dispatches from the Orchard (Kindle)
Jason Wilson
September 2019
Cider Made Simple: All About Your New Favorite Drink (Kindle)
Jeff Alworth
September 2015
The Cider Insider: The Essential Guide to 100 Craft Ciders to Drink Now (Kindle)
Susanna Forbes
October 2018
World’s Best Ciders: Taste, Tradition, and Terroir
Pete Brown & Bill Bradshaw
October 2013
Cider Cocktails and Recipes
Cider Cocktails: Another Bite of the Apple (Kindle)
Darlene Hayes
July 2015
Ciderhouse Cookbook: 127 Recipes That Celebrate the Sweet, Tart, Tangy Flavors of Apple Cider (Kindle)
Jonathan Carr, Nicole Blum, and Andrea Blum
August 2018
Cidermaking
Apples to Cider: How to Make Cider at Home (Kindle)
April White with Steve Wood
February 2015
Modern Cider: Simple Recipes to Make Your Own Ciders, Perries, Cysers, Shrubs, Fruit Wines, Vinegars, and More (Kindle)
Emma Christensen
August 2017
Claude Jolicoeur
October 2013
Andrew Lea
June 2016
Cider Enthusiasts’ Manual: The Practical Guide to Growing Apples and Making Cider
Bill Bradshaw
May 2014
How to Grow Apples and Make Cider (Kindle)
Bill Bleasdale
February 2014
Apples
Apples of Uncommon Character: 123 Heirlooms, Modern Classics & Little-Known Wonders (Kindle)
Rowan Jacobsen
September 2014
Apples of North America: 192 Exceptional Varieties for Gardeners, Growers, and Cooks (Kindle)
Tom Burford
September 2013
The Apple Orchard: The Story of Our Most English Fruit
Pete Brown
September 2016
Apples (Kindle)
Roger Yepsen
September 2017 (Revised and Updated Edition)
England
Ciderland
James Crowden
September 2008
Golden Fire: The Story of Cider
Ted Bruning
March 2012
Wales
The Guide to Welsh Perry and Cider
Pete Brown & Bill Bradshaw
May 2013
Normandy
Calvados: The Spirit of Normandy
Charles Neal
August 2011